物理化学的

In the last few years,some new advances have been made in the study of the metallogenic setting and ore-forming physicochemical conditions for Archean lode gold deposits .

主要介绍了近几年来关于太古代脉状金矿的产出环境、成矿物理化学条件等方面研究取得的一些新进展，如会聚构造环境成矿和地壳连续成矿模式的提出等；初步讨论了我国在太古代高级变质区寻找高温脉状金矿时应注意的问题。

And it was found that the effect of strengthening laser energy is similar to that of prolonging the excitation time,and the photochromism process of MR strongly depends on steric hindrance around azobenzene molecule.

偶氮材料的光致变色效应是由偶氮生色团通过光物理化学过程发生顺反异构引起的，所以近年来有大量研究集中在偶氮生色团的顺反异构过程的研究上[10～13]。

It is demonstrated that according to the hydrothermal biotite and the igneous biotite, the magmatic source rocks and the environments of cooling crystallization can be distinguished.

文中还论证了应用矿床中的热液黑云母和岩体中的岩浆成因黑云母的x/x和x/x等成分指标，由此可识别岩浆源岩性质和岩浆冷却结晶的物理化学环境。

Therefore,in order to gain a long-term stability of the alcoholic drink,it is necessary to add some clarifier s to remove the deposit.

酒类产品因物理化学和生物化学等原因常产生混浊沉淀的现象，需要加入各种澄清剂以去除沉淀物质，使酒液获得长期的稳定性，因此澄清处理是酒类生产中的一个重要的环节。

The authors analysed naked and transformed groups of fibrous brucite, wollastonite, chrysotile asbestos, sepiolite, palygorskite, clinoptilolite, crocidolite and diatomaceous earth mineral dust s by IR under acid and alkali etching and strong mechanical and polarized molecular interaction.

本文通过酸碱蚀、强机械力和极性分子等表面作用，利用红外吸收光谱手段分析7种重要矿物粉尘的表面基团裸露、转化过程，总结了矿物粉尘表面存在的基团类型及其表面活性位的分布及在不同环境条件下的转化，对讨论粉尘生物活性及矿物表面／细胞物理化学作用过程有重要意义。

In this paper,according to the polytropic spectral characteristics and physicochemical characteristics of neodymium,the effect of neodymium on color generation of discolour glaze was systematically probed,the reason and mechanism of neodymium discolourment in glaze were elaborated,so as to be helpful to the development of discolour glaze and its theoretical research.

根据氧化钕独特多变的光谱特征及物理化学特征，探讨了钕对变色釉呈色的影响，阐述了其在釉中的变色原因及其机理，对变色釉的开发和理论研究有一定指导意义。

It also discusses how to measure the ζ_electric potential of such surface electric charge s.

本文以物理化学理论为指导，实验为基础，较详细地介绍了矿料遇水后，表面电荷的起因、表面电荷的性质和ζ电势的测定，从而说明沥青与矿料间的相互作用机

However, the properties of biomacromolecule are different from inorganic and organic compound with smaller molecular weights, which include electrostatics property, more complicated shape, the instability of physical and chemical properties and so on. These make crystallization process of biomacromolecule more complex.

然而，生物大分子的许多特性不同于有机和无机的小分子，例如：静电学性质、较复杂的形状及物理化学不稳定性等等，这就使生物大分子的结晶过程变得较为复杂。

The forward analysis of source rocks is defined as a method to estimate the amount of depositional organic matter or burial organic matter, and ulteriorly to estimate their original potential of hydrocarbon generation of source rocks by using the information of sedimentary environments, features of living biomass and physical chemistry in water medium through the geobiological analysis of geoecology, geomicrobiology, molecular geobiology and biogeochemistry. Quality and quantity of depositjonal organic matter can be calculated according to the productivity and preservation environrnents.

而正演分析则是根据沉积物沉积环境、生物物质及其介质物理化学条件特征运用地球生态学、地球微生物学、分子地球生物学和生物地球化学方法推断沉积有机质的量，甚至推断埋藏有机质的量，进而评估烃源岩的原始生烃潜力，也就是利用生物生产力和保存环境等综合分析沉积有机质的量。

In contrast,the imides derivatives of maleated polyethylene are stable for long periods of time at 160℃,and the decomposition of phenethylamine imide-,9-aminomethylphenanthrene imide-derivatives is initiated slowly at 255℃ and 280℃,respectively.

聚乙烯的化学改性已得到广泛应用，它能使PE获得新的物理化学或功能特性，如改进其表面粘合、亲水及吸湿、染色和印刷性质等，尤其在增加它与其它聚合物的相容性，制备共混材料时常常是必不可少的[1 ，2 ] 。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。